A'N'D SPECIES OF G.^LERUCrN/E. 



181 



nitida, elytris nigris ; thorace transversira sulcato, ad latera punctato. 

 Lonjr. 3j lin. 



Mas. Capitis vertice utrinque creta crassa transversa instructo ; anten- 

 narum artictilis tertio, quarto quintoque ampliatis, difFormibus ; abdu- 

 rainis segmento anali lobo intermedio quadrato-oblongo, leviter 

 concavo. 



Sab. India ; Malay Archipelago. 



Front on each side in the (S with a strongly thickened trans- 

 verse ridge ; antennae in the same sex with the basal joint 

 thickened, slightly curved, the second very small, the third and 

 two following ones thickened and laterally dilated, the third 

 slightly longer than broad, trigonate, its outer and upper angle 

 slightly produced, acute, the fourth very slightly shorter than 

 the third, quadrangular, its upper and outer angle broadly and 

 obliquely truncate ; the fifth shorter than either of the preceding 

 two, subtrigonate, its outer surface longitudinally concave, the 

 outer and upper angle of the concavity bidentate. Thorax nearly 

 twice as broad as long ; sides nearly straight and parallel from 

 the base to beyond the middle, thence obliquely converging 

 towards the apex ; disk transversely sulcate just below the 

 middle, coarsely punctured on the sides in front. Elytra oblong, 

 slightly dilated posteriorly ; convex, slightly impressed belo w 

 the basilar space, finely punctured. 



9. AuLACOPHORA FRONTALIS. Angustc oblonga, postice paullo am- 

 pliata, flavo-fulva, nitida, antennis pallide flavis, elytris nigris ; tho- 

 race transversim sulcato, remote punctato, punctis ad latera subcrebre 

 dispositis ; elytris infra basin transversim excavatis, tenuiter punc- 

 tatis. Long. 2^ lin. 



Mas. Capitis fronte bisuleato, utrinque inter sulcum et oculum tuber- 

 culo oblongo, dorso compresso et intus curvato, instructo; antenna- 

 rum articulis tertio, quarto quintoque ampliatis ; abdominis seg- 

 mento anali trilobate, lobo intermedio quadrato-oblongo, leviter 

 concavo. 



Hab. Borneo, Sarawak {Wallace). 



Front and vertex longitudinally bisulcate ; placed longitudi- 

 nally on each side betw^een the sulcation and the eye is an 

 oblong protuberance, the upper edge of which is compressed and 

 incurved ; front separated from the encarpa) by a deep transverse 

 groove; antennae in the S with the basal joint thickened, slightly 

 curved, its lower surface deeply emarginate, the third and two 



LINN. JOURN. ZOOLOGY, VOL. XX. 15 



